13mm 1/2 x 20 Vertex Keyed Reversing Chuck 7007100 This precision boring head is

This precision boring head is the perfect tool for boring out very accurate holes on a vertical mill or a lathe

Leverlocking abrasive clamp for positive sand paper retention

Capacity: 12 to 35 mm

The point helps to direct the chips ahead of the tap leaving the flutes clear for the free flow of coolant to the cutting edge

13mm 1/2 x 20 Vertex Keyed Reversing Chuck 7007100 This precision boring head isSuitable for general electric drill, pneumatic drill, impact electric drill, light weight. Key hole hardened by high frequency heat treatment, long service life. Clamping range; 1 13mm (1 32 1 2) Female thread; 1 2" 20 UNF Chuck Key T5 or S10